Category Archives :Radio knowledge

We all know that the default factory frequency of each manufacturer's walkie-talkie is different, so different brands of walkie-talkies can not communicate with each other directly. This is a concern of the majority of new hams.  ...

How Far Can the Walkie-Talkie Communicate? To be honest, every time you are asked this question, there will be a feeling that it is difficult to explain. That's because in the wireless communication profession, there is no "distance" technical parameter. There are too many factors that can affect the wireless signal propagation distance.  ...

The explosion-proof walkie-talkie does not refer to the walkie talkie that can resist explosion, but a walkie-talkie that can work in an explosive atmosphere.  ...

Introduce all menu items & setting tips of HD1. let the blog help you to be familiar with HD1.  ...

We may have not played any radios before. when we get the radio first time, what do we need to do?  ...

An IP rating may look something like this: Ailunce HD1 is a dual band IP67 waterproof DMR radio, and there is also aIP67 waterproof H103M speaker mic compatible with HD1.  ...

The Amateur Radio Emergency Service (ARES) consists of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service when disaster strikes.  ...

Have you go to the factory to see the two way radio production? Here Ailunce will take you to learn the production process. We take an example of the Retevis RT47. RT47 is a lecense free IP67 radio.  ...

Learn more about DMR Talkgroups.  ...

We always say QSL card. We know it indicates that we communicate a ham on the air successfully. Every time after we have a communication with another ham, we hope to get a QSL card from him. The QSL numbers is just like an honor. Do you know why we use the QSL? Do you know the Q-code in amateur radio?  ...